84251255 has 16 divisors (see below), whose sum is σ = 110877984. Its totient is φ = 60948480.

The previous prime is 84251249. The next prime is 84251267. The reversal of 84251255 is 55215248.

It is not a de Polignac number, because 84251255 - 2⁴ = 84251239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6647 + ... + 14583.

It is an arithmetic number, because the mean of its divisors is an integer number (6929874).

Almost surely, 2^84251255 is an apocalyptic number.

84251255 is a deficient number, since it is larger than the sum of its proper divisors (26626729).

84251255 is a wasteful number, since it uses less digits than its factorization.

84251255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146.

The product of its digits is 16000, while the sum is 32.

The square root of 84251255 is about 9178.8482392945. The cubic root of 84251255 is about 438.3881365197.

The spelling of 84251255 in words is "eighty-four million, two hundred fifty-one thousand, two hundred fifty-five".